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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
# Copyright 2025 Max Filippov <jcmvbkbc@gmail.com>
%YAML 1.2
---
$id: http://devicetree.org/schemas/interrupt-controller/cdns,xtensa-pic.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Xtensa Interrupt Controllers
maintainers:
- Max Filippov <jcmvbkbc@gmail.com>
description:
Xtensa Interrupt Distributor and Programmable Interrupt Controller (MX) and
Xtensa built-in Programmable Interrupt Controller (PIC)
properties:
compatible:
enum:
- cdns,xtensa-mx
- cdns,xtensa-pic
'#interrupt-cells':
enum: [ 1, 2 ]
description:
Number of cells to define the interrupts. When 1, the first cell is the
internal IRQ number; when 2, the second cell specifies internal (0) or
external (1).
interrupt-controller: true
required:
- compatible
- '#interrupt-cells'
- interrupt-controller
additionalProperties: false
examples:
- |
interrupt-controller {
compatible = "cdns,xtensa-pic";
/* one cell: internal irq number,
* two cells: second cell == 0: internal irq number
* second cell == 1: external irq number
*/
#interrupt-cells = <2>;
interrupt-controller;
};
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